Home / 51,204.58-76,841.71-31,422.76

Finding the Fourth Proportional to 51,204.58, 76,841.71 and 31,422.76

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Solution

The fourth proportional to 51,204.58, 76,841.71 and 31,422.76 is: 47,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.58 : 76,841.71 = 31,422.76 : x
  2. Step 2: Convert to fraction form
    51,204.58/76,841.71 = 31,422.76/x
  3. Step 3: Cross multiply
    51,204.58x = 76,841.71 × 31,422.76
  4. Step 4: Simplify right side
    51,204.58x = 2,414,578,340.66
  5. Step 5: Solve for x
    x = 2,414,578,340.66/51,204.58
  6. Step 6: Final answer
    x = 47,155.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.